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Offer summary
(Summary generated by AI based on the full job description)
The project involves developing and supporting internal web applications built on enterprise data platforms. The core stack includes React.js, TypeScript, Node.js, Express.js, REST API, and Git with CI/CD. Responsibilities cover designing reusable UI components, implementing APIs, and collaborating with UX, data engineering, and DevOps teams. Experience in unit testing and fluent English communication are required. Benefits include private healthcare, Multisport card, and insurance.
from: 7 September 2026
to: 7 October 2026
24 000 - 28 000 złnet (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:senior
working mode:hybrid
location:Kraków, Lesser Poland
Kraków, Lesser Poland
Requirements
Expected technologies
React.js
TypeScript
HTML
CSS
Express.js
Node.js
Git
Operating system
Windows
Our requirements
- Minimum 3 years’ experience as a full-stack developer with strong hands-on coding experience
- Proven front-end expertise: React.js, TypeScript, HTML/CSS, Express.js
- Experience building RESTful services using Node.js
- Good working knowledge of Git (branching, pull requests, CI/CD integration)
- Practical experience with unit testing and automated testing frameworks
- Strong sense of ownership with the ability to deliver independently and proactively
- Fluent English communication skills, verbal and written
Optional
- Familiarity with Figma for UI design collaboration
- Knowledge of SQL databases, ideally Google BigQuery on GCP
- Experience with advanced data visualisation libraries and tooling: ReactFlow, D3.js
- Understanding of TanStack tools (Query/Router), Vite for build optimization
- Exposure to Playwright or similar E2E testing frameworks
Your responsibilities
- Design and develop reusable, high-quality software components for data-driven web applications
- Build intuitive, user-friendly interfaces with a strong emphasis on usability and performance
- Design and implement REST APIs to expose data from the enterprise Data Platform
- Collaborate with UI/UX designers, data analysts, GCP BigQuery engineers, and DevOps teams to ensure seamless integration and product delivery
- Establish and maintain engineering best practices, including coding standards, code reviews, and maintainability principles
- Participate actively in continuous improvement, proposing enhancements in tooling, workflow, and delivery methods
- Note: Detailed project information will be shared during the recruitment process.
About the project
We are looking for an experienced Full-Stack Developera/ Visualisation Senior to lead the development and support of internal web applications built on enterprise data platforms. This role offers the opportunity to work on end-to-end delivery, from design and architecture through implementation and support, in collaboration with design, data engineering, and DevOps teams.
You will take ownership of building modern, reusable, and scalable UI components, as well as implementing APIs and data-serving layers to ensure intuitive and data-driven user experiences for internal stakeholders.
This is how we organize our work
This is how we work
agile
This is how we work on a project
- Continuous Deployment
- Continuous Integration
- testing environments
Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.
What we offer
- Flexible cooperation model
- Hybrid work setup – remote days available depending on the client’s arrangements - 2 days a week from the office in Kraków
- Collaborative team culture – work alongside experienced professionals eager to share knowledge
- Continuous development – access to training platforms and growth opportunities
- Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more
- High quality equipment – laptop and essential software provided
Benefits
- sharing the costs of sports activities
- private medical care
- sharing the costs of professional training & courses
- life insurance
Mindbox Sp. z o.o.
At Mindbox, we connect top IT talents with technology projects for leading enterprises across Europe.
Our focus is on matching your skills with work that matters – projects that use modern tech stacks, solve real business challenges, and give you space to grow. By joining us, you’ll deliver technology solutions for well-known brands, supported by the Mindbox team that values knowledge-sharing and continuous development. We make sure you have the tools, flexibility, and guidance to do your best work – and to keep moving forward in your career.
Full-Stack Developer / Visualisation Senior
24k–28k zł / mth. (B2B)
I apply to:
Mindbox Sp. z o.o.
Kraków, Lesser Poland
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